CN105563071B - The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, Press Fit Device for Wheelset - Google Patents

The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, Press Fit Device for Wheelset Download PDF

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Publication number
CN105563071B
CN105563071B CN201510952333.9A CN201510952333A CN105563071B CN 105563071 B CN105563071 B CN 105563071B CN 201510952333 A CN201510952333 A CN 201510952333A CN 105563071 B CN105563071 B CN 105563071B
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China
Prior art keywords
stress
monitoring
wheelset
outside
press fit
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CN105563071A (en
Inventor
李玮
王玲玲
贡力
韩鹏
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Taiyuan Heavy Industry Engineering Technology Co., Ltd.
Taiyuan Heavy Industry Co Ltd
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TAIYUAN HEAVY INDUSTRY ENGINEERING TECHNOLOGY Co Ltd
Taiyuan Heavy Industry Co Ltd
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Publication of CN105563071A publication Critical patent/CN105563071A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/20Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225Measuring circuits therefor
    • G01L1/2262Measuring circuits therefor involving simple electrical bridges

Abstract

This application involves a kind of system and methods of monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, Press Fit Device for Wheelset.The system includes: first to fourth stress monitoring unit, is respectively arranged inside and outside Press Fit Device for Wheelset lower and upper cross-member, for monitoring the stress of position;Data acquisition unit, for acquiring and transmitting the stress data of the first to fourth stress monitoring unit monitoring;And comparative analysis unit is compared analysis to the stress data for receiving the monitoring data of the data acquisition unit.The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset of the application, Press Fit Device for Wheelset, exception can be just monitored before pressing machine produces waste product, and provide accurately and effectively method of adjustment, to reduce the rejection rate of Press Fit Device for Wheelset, production efficiency is improved, economic loss is reduced.

Description

The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset is taken turns to pressure Installation
Technical field
The present disclosure generally relates to Press Fit Device for Wheelset technical fields, and in particular to a kind of monitoring adjustment Press Fit Device for Wheelset is extremely inclined The system and method for heart press fitting, Press Fit Device for Wheelset.
Background technique
Press Fit Device for Wheelset in multiple press fitting taking turns to rear, pressing machine and wheel pair there are due to certain mechanical clearance etc. It is deteriorated to heart positioning accuracy, press fitting will generate additional moment, so as to cause 1.2% or so rejection rate.Currently, only going out After now press fitting wheel is to waste product, technical staff just carries out examination adjustment by hand, then pressure testing dress to the gasket on pressing machine crossbeam, if also producing Raw waste product continues to adjust, until being pressed normal wheel pair out.Not only production efficiency is low for this method manually adjusted afterwards, It also will cause no small economic loss.
Therefore, a kind of new monitoring is needed to adjust system and side aiming at the problem that Press Fit Device for Wheelset is deteriorated to heart positioning accuracy Method, Press Fit Device for Wheelset.
Above- mentioned information are only used for reinforcing the understanding to the background of the disclosure, therefore it disclosed in the background technology part It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The system and method that the disclosure provides a kind of monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset can reduce wheel pair The rejection rate of pressing machine improves production efficiency, reduces economic loss.
The disclosure provides a kind of Press Fit Device for Wheelset, can be inside and outside real-time monitoring upper beam and inside and outside lower beam Stress.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure Practice and acquistion.
According to the disclosure in a first aspect, a kind of system of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, comprising:
First stress monitoring unit is set on the inside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;
Second stress monitoring unit is set on the outside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;
Tertiary stress monitoring unit is set on the inside of Press Fit Device for Wheelset lower beam, for monitoring the stress of position;
4th stress monitoring unit is set on the outside of Press Fit Device for Wheelset lower beam, for monitoring the stress of position;
Data acquisition unit, for acquiring and transmitting the stress data of the first to fourth stress monitoring unit monitoring; And
Comparative analysis unit compares the stress data for receiving the monitoring data of the data acquisition unit Compared with analysis.
According to an embodiment of the disclosure, the first to fourth stress monitoring unit is symmetrical arranged.
According to an embodiment of the disclosure, the first stress monitoring unit monitors to be A, the second stress prison Survey unit monitors to be B, the tertiary stress monitoring unit monitors to be C, and the 4th stress monitoring unit monitors It is D, the comparative analysis unit analyzes described A, B, C, D, when the difference of the A and the B are more than a predetermined value When, there are additional bending moments for the comparative analysis unit judges upper beam, when the difference of the C and D is more than the predetermined value When, there are additional bending moments for the comparative analysis unit judges lower beam, wherein
When the A is less than the B ultrasound predetermined value excessively, the comparative analysis unit judges upper beam is bent outwardly;
When the A is greater than the B ultrasound predetermined value excessively, the comparative analysis unit judges upper beam curves inwardly;
When the C, which is less than the D, is more than the predetermined value, the comparative analysis unit judges lower beam is bent outwardly;
When the C, which is greater than the D, is more than the predetermined value, the comparative analysis unit judges lower beam curves inwardly;
When the mean value difference of A C and D compared with the mean value of the B is more than the predetermined value, the ratio Judge that lower and upper cross-member pulling force deviation is excessive compared with analytical unit.
According to an embodiment of the disclosure, the value range of the predetermined value is 3%-8%.
According to an embodiment of the disclosure, the first to fourth stress monitoring unit includes full-bridge circuit, half-bridge electricity Road or a quarter bridge circuit;The data acquisition unit includes wireless strain sensor;The comparative analysis unit includes PC host computer.
According to an embodiment of the disclosure, the half-bridge circuit, including horizontally disposed first foil gauge, one is vertical The second foil gauge being arranged, one first wireless strain sensor, one second wireless strain sensor, the one of first foil gauge End is electrically connected at second foil gauge, and the other end of first foil gauge is electrically connected at first wireless strain and passes The built-in resistor of sensor, second foil gauge is electrically connected at the built-in resistor of second wireless strain sensor, described The built-in resistor of second wireless strain sensor is electrically connected at the built-in resistor of first wireless strain sensor.
According to the second aspect of the disclosure, a method of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, comprising:
Respectively monitor Press Fit Device for Wheelset upper beam on the inside of stress, the stress on the outside of upper beam, the stress on the inside of lower beam, Stress on the outside of lower beam;
Analysis is compared to monitoring data;And
Based on the analysis results, increase or reduce inside and outside upper beam pin shaft, the gasket inside and outside lower beam pin shaft.
According to an embodiment of the disclosure, stress, the upper beam monitored on the inside of Press Fit Device for Wheelset upper beam respectively Stress on the inside of the stress in outside, lower beam, the stress on the outside of lower beam include: the lateral stress in symmetric position monitoring upper beam With lateral stress outside lateral stress in lateral stress outside upper beam, lower beam and lower beam;Lateral stress is A, upper beam in the upper beam Outer lateral stress is B, and lateral stress is C in lower beam, and the outer lateral stress of lower beam is D, wherein
When the A is less than the B ultrasound predetermined value excessively, judge that upper beam is bent outwardly, in the outer of upper beam pin shaft Side increases gasket or reduces gasket in the inside of upper beam pin shaft;
When the A is greater than the B ultrasound predetermined value excessively, judge that upper beam curves inwardly, in the outer of upper beam pin shaft It reduces gasket or increases gasket in the inside of upper beam pin shaft in side;
When the C, which is less than the D, is more than the predetermined value, judge that lower beam is bent outwardly, in the outer of lower beam pin shaft Side increases gasket or reduces gasket in the inside of lower beam pin shaft;
When the C, which is greater than the D, is more than the predetermined value, judge that lower beam curves inwardly, in the outer of lower beam pin shaft It reduces gasket or increases gasket in the inside of lower beam pin shaft in side;
When the mean value that the mean value of the A and B is less than the C and D is more than the predetermined value, judge horizontal up and down Beam pulling force difference is excessive, while increasing the gasket inside and outside upper beam pin shaft or being reduced inside and outside lower beam pin shaft simultaneously Gasket;
When the mean value that the mean value of the A and B is greater than the C and D is more than the predetermined value, judge horizontal up and down Beam pulling force difference is excessive, while reducing the gasket inside and outside upper beam pin shaft or increasing inside and outside lower beam pin shaft simultaneously Gasket.
According to an embodiment of the disclosure, the value range of the predetermined value is 3%-8%.
According to the third aspect of the disclosure, a kind of Press Fit Device for Wheelset, comprising: upper beam, lower beam, the first stress monitoring list Member is set on the inside of the upper beam;Second stress monitoring unit is set on the outside of the upper beam;Tertiary stress monitoring is single Member is set on the inside of the lower beam;4th stress monitoring unit is set on the outside of the lower beam.
It can according to the monitoring adjustment system and method for the extremely eccentric press fitting of Press Fit Device for Wheelset of the disclosure, Press Fit Device for Wheelset Exception is just monitored before pressing machine produces waste product, and provides accurately and effectively method of adjustment, to reduce Press Fit Device for Wheelset Rejection rate, improve production efficiency, reduce economic loss.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited It is open.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will It becomes more fully apparent.
Fig. 1, which is schematically shown, monitors adjustment system composition box according to the Press Fit Device for Wheelset of disclosure example embodiment Figure.
Fig. 2, which is schematically shown, monitors adjustment system composition side according to another Press Fit Device for Wheelset of disclosure example embodiment Block diagram.
Fig. 3 schematically shows the Press Fit Device for Wheelset monitoring adjustment system front scheme of installation of Fig. 2.
Fig. 4 schematically shows the Press Fit Device for Wheelset monitoring adjustment system back side scheme of installation of Fig. 2.
Fig. 5 A schematically shows the half-bridge circuit foil gauge layout drawing according to disclosure example embodiment.
Fig. 5 B schematically shows the half-bridge circuit foil gauge structure chart according to disclosure example embodiment.
Fig. 6 schematically shows the step frame that method of adjustment is monitored according to the Press Fit Device for Wheelset of disclosure example embodiment Figure.
Fig. 7 schematically shows the analytical judgment flow chart of the method for Fig. 6.
Description of symbols
1: upper beam pin shaft
2: foil gauge on the inside of upper beam
3: upper beam
4: lower beam pin shaft
5: foil gauge on the inside of lower beam
6: lower beam
7: foil gauge on the outside of upper beam
8: foil gauge on the outside of lower beam
9: wireless strain gauge
10:PC host computer
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes Formula is implemented, and is not understood as limited to example set forth herein;On the contrary, thesing embodiments are provided so that the disclosure will more Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Attached drawing is only the disclosure Schematic illustrations, be not necessarily drawn to scale.Identical appended drawing reference indicates same or similar part in figure, thus Repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner In mode.In the following description, many details are provided to provide and fully understand to embodiment of the present disclosure.So And it will be appreciated by persons skilled in the art that one in the specific detail can be omitted with technical solution of the disclosure Or more, or can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes Known features, method, apparatus, realization, material or operation are to avoid a presumptuous guest usurps the role of the host and all aspects of this disclosure is made to become mould Paste.
Some block diagrams shown in the drawings are functional entitys, not necessarily must be with physically or logically independent entity phase It is corresponding.These functional entitys can be realized using software form, or in one or more hardware modules or integrated circuit in fact These existing functional entitys, or these functions reality is realized in heterogeneous networks and/or processor device and/or microcontroller device Body.
Fig. 1, which is schematically shown, monitors adjustment system composition box according to the Press Fit Device for Wheelset of disclosure example embodiment Figure.
As shown in Figure 1, a kind of system of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, comprising: the first stress monitoring Unit is set on the inside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;Second stress monitoring unit, setting On the outside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;Tertiary stress monitoring unit, is set to wheelset fitting On the inside of machine lower beam, for monitoring the stress of position;4th stress monitoring unit is set to outside Press Fit Device for Wheelset lower beam Side, for monitoring the stress of position;Data acquisition unit, for acquiring and transmitting the first to fourth stress monitoring list The stress data of member monitoring;And comparative analysis unit is answered for receiving the monitoring data of the data acquisition unit described Force data is compared analysis.
Fig. 2, which is schematically shown, monitors adjustment system composition side according to another Press Fit Device for Wheelset of disclosure example embodiment Block diagram.
As shown in Fig. 2, first to fourth stress monitoring unit uses foil gauge 2,5,7,8, quantity is 4.Data acquisition Unit uses wireless strain gauge 9, wirelessly transmits the stress data that foil gauge 2,5,7,8 monitors.Compare point It analyses unit and uses PC host computer 10, receive the stress data that wireless strain gauge 9 transmits, stress data is compared point Analysis, judges whether lower and upper cross-member needs to adjust.Those skilled in the art are it is conceivable that can also be using the reality except the present embodiment Existing mode, such as wired mode transmission stress data can be used etc., the disclosure is not limited with above-mentioned implementation.
Fig. 3 schematically shows the Press Fit Device for Wheelset monitoring adjustment system front scheme of installation of Fig. 2, and Fig. 4 is schematically shown The Press Fit Device for Wheelset of Fig. 2 monitors adjustment system back side scheme of installation.
Foil gauge 2,5,7 and 8 is symmetrically arranged inside and outside upper beam 3 and lower beam 6, wherein being symmetrical arranged meaning For, the lower alignment in vertical direction of foil gauge 2 and 5, the lower alignment in vertical direction of foil gauge 7 and 8;Foil gauge 2 and 7 is in level Direction or so alignment, the left and right alignment in the horizontal direction of foil gauge 5 and 8.Wherein, the upper cross that foil gauge 2 monitors on the inside of upper beam Lateral stress is A in beam 3, and the outer lateral stress of upper beam 3 that foil gauge 7 monitors on the outside of upper beam is B, foil gauge 5 on the inside of lower beam Lateral stress is C in the lower beam 6 monitored, and the outer lateral stress of lower beam 6 that foil gauge 8 monitors on the outside of lower beam is D.4 are answered Force data A, B, C, D are transmitted to by wireless strain gauge 12.PC host computer 10 to monitor 4 stress data A, B, C, D is analyzed and determined that taking the predetermined value judged is 5%.
Wherein, when the difference of A and B is more than 5%, PC host computer 10 judges upper beam 3, and there are addition bends;When C's and D When difference is more than 5%, PC host computer 10 judges lower beam 6, and there are addition bends.The difference of A and B is calculated herein whether more than 5% When, it all can be calculated on the basis of which by A or B, for example, then judging the numerical value of B whether in 1.05A and 0.95A on the basis of A Between, such as exceed above range, then the difference of A and B is more than 5%;On the basis of B, then judge A numerical value whether in 1.05B and Between 0.95B, such as exceed above range, then the difference of A and B is more than 5%.Similarly, C and D also equally calculates judgement.
The present embodiment carries out calculating judgement on the basis of B and D.When A, which is less than B ultrasound, crosses 5%, the upper cross of the judgement of PC host computer 10 Beam 3 is bent outwardly.Gasket can be increased in the outside of upper beam pin shaft 1, or reduce gasket in the inside of upper beam pin shaft 1, directly To A and B difference within 5%.
When A, which is greater than B ultrasound, crosses 5%, PC host computer 10 judges that upper beam 3 curves inwardly.It can be in the outside of upper beam pin shaft 1 Gasket is reduced, or increases gasket in the inside of upper beam pin shaft 1, until the difference of A and B is within 5%.
When C, which is less than D, is more than 5%, PC host computer 10 judges that lower beam 6 is bent outwardly.It can be in the outside of lower beam pin shaft 4 Increase gasket, or reduce gasket in the inside of lower beam pin shaft 4, until the difference of C and D is within 5%.
When C, which is greater than D, is more than 5%, PC host computer 10 judges that lower beam 6 curves inwardly.It can be in the outside of lower beam pin shaft 4 Gasket is reduced, or increases gasket in the inside of lower beam pin shaft 4, until the difference of C and D is within 5%.
In order to further improve the press fitting precision of Press Fit Device for Wheelset, the mean value of A and B can be also further calculated with C's and D The difference of mean value.Wherein, when as A, the mean value difference of C and D is more than 5% compared with the mean value of B, PC host computer 10 judges lower and upper cross-member Pulling force deviation is excessive.When mean value of the mean value of A and B less than C and D is more than 5%, can increase simultaneously two inside and outside upper beam pin shaft 1 The gasket of side, or the gasket inside and outside lower beam pin shaft 4 is reduced simultaneously.
When mean value of the mean value of A and B greater than C and D is more than 5%, the pad inside and outside upper beam pin shaft 1 can be reduced simultaneously Piece, or increase the gasket inside and outside lower beam pin shaft 4 simultaneously.
So far, Press Fit Device for Wheelset adjustment finishes.
Fig. 5 A schematically shows the half-bridge circuit foil gauge layout drawing according to disclosure example embodiment, and Fig. 5 B is schematic Half-bridge circuit foil gauge structure chart according to disclosure example embodiment is shown.
As shown in Figure 5A, foil gauge R1 is horizontally disposed, and foil gauge R2 is arranged vertically.As shown in Figure 5 B, foil gauge R1 and R2 Poisson's ratio half-bridge bridge is formed with the resistance R3 and R4 of sensor internal respectively.Each port of half-bridge circuit respectively with sensor Corresponding ports connection.The stress monitoring unit of the disclosure is using half-bridge circuit form, but those skilled in the art can know Dawn, it can also take other form, such as full-bridge circuit or a quarter bridge circuit, can also generate the effect of the disclosure, this public affairs It opens and is not limited.
Fig. 6 schematically shows the step frame that method of adjustment is monitored according to the Press Fit Device for Wheelset of disclosure example embodiment Figure.
This method can be realized for example using Press Fit Device for Wheelset monitoring adjustment system as shown in Figure 1.It should be noted that figure 6 be only schematically illustrating for the processing according to included by the method for disclosure example embodiment, rather than limits purpose.It is easy to Understand, processing shown in fig. 6 does not indicate or limit the time sequencing of these processing.In addition, being also easy to understand, these processing can For example either synchronously or asynchronously to be executed in multiple components.
As shown in fig. 6, a kind of method of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, including step S101 is extremely S103。
In step s101: monitoring the stress inside and outside Press Fit Device for Wheelset lower and upper cross-member respectively.
Wherein, it may be selected to monitor in upper beam lateral stress outside lateral stress and upper beam in symmetric position, answer on the inside of lower beam Power and the outer lateral stress of lower beam.
In step s 102: analysis is compared to monitoring data.
In step s 103: based on the analysis results, increasing or reduce the gasket inside and outside lower and upper cross-member pin shaft.
Fig. 7 schematically shows the analytical judgment flow chart of the method for Fig. 6.
As shown in Figure 7, wherein lateral stress is A in upper beam, and the outer lateral stress of upper beam is B, and lateral stress is C in lower beam, The outer lateral stress of lower beam is D, reads A, B, C, the stress data of D is compared judgement to it by benchmark of B and D:
When the difference of A and B is more than 5%, judge that upper beam there are additional bending moment, needs to be adjusted.Whether judge A Judge that upper beam is bent outwardly if it is not, then A and B difference are more than 5% greater than 0.95B, can increase in the outside of upper beam pin shaft Shimming, or gasket is reduced in the inside of upper beam pin shaft;
If it is, continue to judge whether A is less than 1.05B, if it is not, then A and B difference are more than 5%, judge upper beam to Interior bending reduces gasket in the outside of upper beam pin shaft or increases gasket in the inside of upper beam pin shaft;
If it is, A and B difference are not above 5%, upper beam does not need to adjust.
Similarly, C and D uses same judgment method, and when the difference of C and D is more than 5%, it is additional to judge that lower beam exists Moment of flexure needs to be adjusted.Judge whether C is greater than 0.95D, if it is not, then C and D difference are more than 5%, judge lower beam to Outside sweep can increase gasket in the outside of lower beam pin shaft, or reduce gasket in the inside of lower beam pin shaft;
If it is, continue to judge whether C is less than 1.05D, if it is not, then C and D difference are more than 5%, judge lower beam to Interior bending can reduce gasket in the outside of lower beam pin shaft or increase gasket in the inside of lower beam pin shaft;
If it is, C and D difference are not above 5%, lower beam does not need to adjust.
In order to further improve the press fitting precision of Press Fit Device for Wheelset, the mean value of A and B can be also further calculated with C's and D The difference of mean value.Wherein, when the mean value difference of C and D is more than 5% compared with the mean value of B as A, judge lower and upper cross-member pulling force deviation mistake Greatly.
Wherein, judge whether the mean value of A and B is greater than the mean value of 0.95 times of C and D, if not, upper beam can be increased simultaneously Gasket inside and outside pin shaft, or the gasket inside and outside lower beam pin shaft is reduced simultaneously;
If it is, continue to judge A and B mean value whether the mean value of the C and D less than 1.05 times, if not, can subtract simultaneously Gasket inside and outside few upper beam pin shaft, or increase the gasket inside and outside lower beam pin shaft simultaneously;
If it is, the difference of the mean value of A and B and the mean value of C and D is not above 5%, lower and upper cross-member does not need to adjust.
So far, Press Fit Device for Wheelset adjustment finishes.
The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset of the disclosure, can be raw in Press Fit Device for Wheelset It produces waste product wheel accurately and effectively to adjust to noting abnormalities and providing before, reduces the rejection rate of Press Fit Device for Wheelset, substantially increase Production efficiency reduces economic loss, avoids and manually adjust afterwards, afterwards to manually adjust not only production efficiency low, and can also Cause no small economic loss.
Press Fit Device for Wheelset as shown in Figure 3 and Figure 4, comprising: upper beam, lower beam, the first stress monitoring unit are set to On the inside of upper beam;Second stress monitoring unit is set on the outside of upper beam;Tertiary stress monitoring unit, is set in lower beam Side;4th stress monitoring unit is set on the outside of lower beam.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute Disclosed embodiment, on the contrary, it is intended to cover comprising various modifications within the scope of the appended claims and equivalent set It changes.

Claims (8)

1. a kind of system of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset characterized by comprising
First stress monitoring unit is set on the inside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;
Second stress monitoring unit is set on the outside of Press Fit Device for Wheelset upper beam, for monitoring the stress of position;
Tertiary stress monitoring unit is set on the inside of Press Fit Device for Wheelset lower beam, for monitoring the stress of position;
4th stress monitoring unit is set on the outside of Press Fit Device for Wheelset lower beam, for monitoring the stress of position;
Data acquisition unit, for acquiring and transmitting the stress data of the first to fourth stress monitoring unit monitoring;And
Comparative analysis unit is compared point the stress data for receiving the monitoring data of the data acquisition unit Analysis;
The first stress monitoring unit monitors to be A, and the second stress monitoring unit monitors to be B, the third Stress monitoring unit monitors to be C, and the 4th stress monitoring unit monitors to be D, and the comparative analysis unit is to institute A, B, C, D is stated to be analyzed, it is horizontal in the comparative analysis unit judges when the difference of the A and B is more than a predetermined value There are additional bending moments for beam, horizontal under the comparative analysis unit judges when the difference of the C and D is more than the predetermined value Beam there are additional bending moment,
Wherein, the value range of the predetermined value is 3%-8%.
2. the system as claimed in claim 1, which is characterized in that the first to fourth stress monitoring unit is symmetrical arranged.
3. system as claimed in claim 2, which is characterized in that
When the A is less than the B ultrasound predetermined value excessively, the comparative analysis unit judges upper beam is bent outwardly;
When the A is greater than the B ultrasound predetermined value excessively, the comparative analysis unit judges upper beam curves inwardly;
When the C, which is less than the D, is more than the predetermined value, the comparative analysis unit judges lower beam is bent outwardly;
When the C, which is greater than the D, is more than the predetermined value, the comparative analysis unit judges lower beam curves inwardly;
When the mean value difference of A C and D compared with the mean value of the B is more than the predetermined value, the comparison point It is excessive to analyse unit judges lower and upper cross-member pulling force deviation.
4. the system as claimed in claim 1, which is characterized in that the first to fourth stress monitoring unit includes full-bridge electricity Road, half-bridge circuit or a quarter bridge circuit;The data acquisition unit includes wireless strain sensor;The comparative analysis Unit includes PC host computer.
5. system as claimed in claim 4, which is characterized in that the half-bridge circuit, including horizontally disposed first strain Piece, vertically disposed second foil gauge, one first wireless strain sensor, one second wireless strain sensor, described first One end of foil gauge is electrically connected at second foil gauge, and the other end of first foil gauge is electrically connected at described first The built-in resistor of wireless strain sensor, second foil gauge are electrically connected at the built-in of second wireless strain sensor Resistance, the built-in resistor of second wireless strain sensor are electrically connected at the in-built electrical of first wireless strain sensor Resistance.
6. a kind of method of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset characterized by comprising
Stress, the stress on the outside of upper beam, the stress on the inside of lower beam, lower cross on the inside of Press Fit Device for Wheelset upper beam are monitored respectively Stress on the outside of beam;
Analysis is compared to monitoring data;And
Based on the analysis results, increase or reduce inside and outside upper beam pin shaft, the gasket inside and outside lower beam pin shaft;
It is described respectively monitor Press Fit Device for Wheelset upper beam on the inside of stress, the stress on the outside of upper beam, the stress on the inside of lower beam, Stress on the outside of lower beam include: in symmetric position monitoring upper beam lateral stress outside lateral stress and upper beam, on the inside of lower beam Stress and the outer lateral stress of lower beam;Lateral stress is A in the upper beam, and the outer lateral stress of upper beam is B, and lateral stress is in lower beam C, the outer lateral stress of lower beam is D,
Described A, B, C, D are analyzed by comparing analytical unit, when the difference of the A and B is more than a predetermined value, There are additional bending moments for the comparative analysis unit judges upper beam, when the difference of the C and D is more than the predetermined value, The comparative analysis unit judges lower beam there are additional bending moment,
Wherein, the value range of the predetermined value is 3%-8%.
7. method as claimed in claim 6, which is characterized in that
When the A is less than the B ultrasound predetermined value excessively, judge that upper beam is bent outwardly, increases in the outside of upper beam pin shaft Shimming reduces gasket in the inside of upper beam pin shaft;
When the A is greater than the B ultrasound predetermined value excessively, judges that upper beam curves inwardly, subtract on the outside of upper beam pin shaft Few gasket increases gasket in the inside of upper beam pin shaft;
When the C, which is less than the D, is more than the predetermined value, judge that lower beam is bent outwardly, increases in the outside of lower beam pin shaft Shimming reduces gasket in the inside of lower beam pin shaft;
When the C, which is greater than the D, is more than the predetermined value, judges that lower beam curves inwardly, subtract on the outside of lower beam pin shaft Few gasket increases gasket in the inside of lower beam pin shaft;
When the mean value that the mean value of the A and B is less than the C and D is more than the predetermined value, judge that lower and upper cross-member is drawn Power difference is excessive, while increasing the gasket inside and outside upper beam pin shaft or reducing the pad inside and outside lower beam pin shaft simultaneously Piece;
When the mean value that the mean value of the A and B is greater than the C and D is more than the predetermined value, judge that lower and upper cross-member is drawn Power difference is excessive, while reducing the gasket inside and outside upper beam pin shaft or increasing the pad inside and outside lower beam pin shaft simultaneously Piece.
8. a kind of Press Fit Device for Wheelset characterized by comprising
Upper beam,
Lower beam, and
The system of the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset as described in any one in claim 1-5.
CN201510952333.9A 2015-12-19 2015-12-19 The system and method for the monitoring adjustment extremely eccentric press fitting of Press Fit Device for Wheelset, Press Fit Device for Wheelset Active CN105563071B (en)

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CN111168354A (en) * 2019-10-11 2020-05-19 浙江零跑科技有限公司 Rear brake bushing press-fitting equipment for new energy vehicle

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SU1089399A1 (en) * 1983-03-16 1984-04-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Редукторостроения Device for measuring transverse force
DE202007013329U1 (en) * 2007-09-21 2009-02-12 MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG wheelset
CN201264154Y (en) * 2008-06-30 2009-07-01 北京铁科合力科技有限责任公司 Numerical control wheelset press-mounting machine
CN201950447U (en) * 2011-04-11 2011-08-31 鄂州市合强机械发展有限公司 Wheel set press-mounting machine
CN202853822U (en) * 2012-06-21 2013-04-03 太原重工股份有限公司 Large-scale hydraulic forging press pull rod stress monitoring device
CN103056333A (en) * 2012-12-31 2013-04-24 宁波思进机械股份有限公司 Die casting machine clamping force online adjusting device and adjusting algorithm
CN104729767A (en) * 2015-03-30 2015-06-24 华侨大学 Device and method for testing distribution of shearing stress on box girder section

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SU1089399A1 (en) * 1983-03-16 1984-04-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Редукторостроения Device for measuring transverse force
DE202007013329U1 (en) * 2007-09-21 2009-02-12 MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG wheelset
CN201264154Y (en) * 2008-06-30 2009-07-01 北京铁科合力科技有限责任公司 Numerical control wheelset press-mounting machine
CN201950447U (en) * 2011-04-11 2011-08-31 鄂州市合强机械发展有限公司 Wheel set press-mounting machine
CN202853822U (en) * 2012-06-21 2013-04-03 太原重工股份有限公司 Large-scale hydraulic forging press pull rod stress monitoring device
CN103056333A (en) * 2012-12-31 2013-04-24 宁波思进机械股份有限公司 Die casting machine clamping force online adjusting device and adjusting algorithm
CN104729767A (en) * 2015-03-30 2015-06-24 华侨大学 Device and method for testing distribution of shearing stress on box girder section

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